Inbotany, thereceptacle refers to vegetative tissues near the end of reproductive stems that are situated below or encase the reproductive organs.
Inangiosperms, the receptacle ortorus (an older term isthalamus, as inThalamiflorae) is the thickened part of a stem (pedicel) from which theflower organs grow. In someaccessory fruits, for example thepome andstrawberry, the receptacle gives rise to the edible part of the fruit. The fruit ofRubus species is acluster ofdrupelets on top of aconical receptacle. When a raspberry is picked, the receptacle separates from the fruit, but in blackberries, it remains attached to the fruit.[1]
In thedaisy family (Compositae or Asteraceae), small individual flowers are arranged on a round or dome-like structure that is also calledreceptacle.
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Inphycology, receptacles occur at the ends of branches ofalgae mainly in thebrown algae orHeterokontophyta in theorderFucales. They are specialised structures which contain the reproductive organs calledconceptacles.[2] Receptacles also function as a structure that captures food.
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